(A) All modifications, grading or installation of proposed improvements within the 100-year floodplain shall be in accordance with § 12-21-11 of this code.
(B) The floodplain line shall be determined by a registered professional land surveyor by plotting the appropriate elevation of the floodplain on a maximum one inch equals 20 feet topographic two foot-contour map using the adopted Town of Vail flood profiles (the federal emergency management agency flood insurance study). The topographic survey shall reveal the method for determining the starting point and the starting elevation for the floodplain delineation. A site specific study performed by a professional engineer per FEMA guidelines and approved by the Town of Vail and FEMA may be required.
(Ord., 9-21-1999; Ord. 27(2007) § 5)